//package springboot整合junit.main.java.com.itheima.service.impl;
//
//import com.itheima.service.BookService;
//import org.springframework.stereotype.Service;
//
//@Service
//public class BookServiceImpl implements BookService {
//    @Override
//    public void save() {
//        System.out.println("book service is running ...");
//    }
//}
